Four-Year-Old Bill Was Banging on His Toy Drum When He

Multiple Choice

Four-year-old Bill was banging on his toy drum when he suddenly remembered that his baby sister was sleeping."Mommy said not to play with the drum when baby sister is sleeping," Bill said to himself out loud.Bill stopped the banging and instead picked up a quiet toy.Bill is showing

A) inner self.
B) social cognition.
C) social comparison.
D) self-regulation.